# 3D GO | 3D Printing Models vs GCode Scanner for CNC Machines

The clearest difference is review sentiment: GCode Scanner for CNC Machines at 100% against 3D GO | 3D Printing Models's 48%. GCode Scanner for CNC Machines also leads on rating (5.0 vs 4.7). 3D GO | 3D Printing Models's advantage is ratings volume (3.9K vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 3D GO | 3D Printing Models sells 2 in-app purchases, starting at $2.99 per month and GCode Scanner for CNC Machines sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

GCode Scanner for CNC Machines holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 3D GO | 3D Printing Models has 3.9K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 48% of 3D GO | 3D Printing Models's written reviews are positive against 100% of GCode Scanner for CNC Machines's.

3D GO | 3D Printing Models ships an update monthly, GCode Scanner for CNC Machines every 3 weeks. The most recent releases landed on September 22, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | 3D GO | 3D Printing Models | GCode Scanner for CNC Machines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.9K ratings)](https://appshunter.io/ios/app/3d-go-3d-printing-models/id6462052942/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022/reviews)** |
| Number of ratings | **3.9K** | 3 |
| Positive reviews | 48.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 54 MB | 77 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [SimpleDev LLC](https://appshunter.io/developer/1694780723) | [Jeremiah Moore](https://appshunter.io/developer/1695450531) |

## What reviewers say

### 3D GO | 3D Printing Models

[App page](https://appshunter.io/ios/app/3d-go-3d-printing-models/id6462052942)

This app consolidates 3D model searching, viewing, and slicing from major platforms into a single interface. It allows users to find, preview, organize, and prepare STL files for 3D printing, streamlining the entire workflow.

**Highlights:** Search multiple 3D model sites, Full 3D preview and STL viewer, Built-in 3D slicer with G-code export, Save and organize models into collections, Manage STL library, Discover trending models and contests

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Printing Pro - Monthly | $2.99 | per month |
| 3D Printing Pro - Yearly | $29.99 | per year |

**What reviewers like**

- 👍 Convenient and free app
- 🚀 Great database of free files
- 🚀 Easy to send prints directly to printer
- 👍 Helpful developer response
- 🚀 Seamless switching between sites

**What reviewers complain about**

- 💰 Subscription required for full access
- 🐛 Buggy app with crashes and freezes
- 🚫 Inaccessible for smaller screens
- 🚫 Limited functionality compared to websites
- 🚫 Files saved as zips are inconvenient

**Reported bugs**

- Login issues and errors
- Crashing and freezing on various actions
- Incompatibility with certain devices

**Requested features**

- Add ability to like/save models
- Improve UI and navigation
- Implement scrolling on welcome screen
- Add more advanced slicer features
- Improve compatibility with older devices


### GCode Scanner for CNC Machines

[App page](https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022)

This tool allows users to view and simulate CNC machine code (G-code) and 3D model files (STL) before production. It helps prevent errors, save tools, and reduce setup times for machinists, programmers, and engineers.

**Highlights:** G-code viewer with real-time toolpath playback, Error detection for gouges and over-travels, STL model viewer, Universal G-code compatibility, Shop-floor ready interface, Import from cloud storage or local device

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Membership | $4.99 | per 7 days |
| Pro Monthly Membership | $7.99 | per month |
| Pro Annual Membership | $69.99 | per year |


## Frequently asked questions

### Is 3D GO | 3D Printing Models free?

3D GO | 3D Printing Models is free to download, with in-app purchases available.

### Is GCode Scanner for CNC Machines free?

GCode Scanner for CNC Machines is free to download, with in-app purchases available.

### Which has better reviews, 3D GO | 3D Printing Models or GCode Scanner for CNC Machines?

GCode Scanner for CNC Machines is rated higher. 3D GO | 3D Printing Models averages 4.7 out of 5 from 3.9K ratings, while GCode Scanner for CNC Machines averages 5.0 from 3 ratings.

### Do 3D GO | 3D Printing Models or GCode Scanner for CNC Machines have ads?

Neither 3D GO | 3D Printing Models nor GCode Scanner for CNC Machines shows ads.

### Which is updated more often, 3D GO | 3D Printing Models or GCode Scanner for CNC Machines?

3D GO | 3D Printing Models ships an update monthly, and GCode Scanner for CNC Machines every 3 weeks. Most recently, 3D GO | 3D Printing Models was updated on September 22, 2026 and GCode Scanner for CNC Machines on August 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*